package top.stmo.stmoBlog.handler;


import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;

/**
 * 全局异常处理并通过日志记录
 */


@ControllerAdvice       //对加了Controller注解的方法进行拦截处理 AOP的实现
public class AllExceptionHandler {

    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    @ExceptionHandler(Exception.class)             //进行异常处理，处理Exception的异常
    public ModelAndView exceptionHandler(HttpServletRequest request,Exception e) throws Exception {
        logger.error("Requst URL : {},Exception : {}",request.getRequestURL(),e);

        if (AnnotationUtils.findAnnotation(e.getClass(), ResponseStatus.class) != null) {
             throw e;
        }
        ModelAndView mv = new ModelAndView();
        mv.addObject("url",request.getRequestURL());
        mv.addObject("exception",e);
        mv.setViewName("error/error");
        return mv;
    }
}
